NewPipe/app/src/main/res/layout/missions_header.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="30dp"
    android:layout_marginStart="8dp"
    android:layout_marginLeft="8dp"
    android:layout_marginTop="16dp"
    android:layout_marginEnd="8dp"
    android:layout_marginRight="8dp"
    android:orientation="vertical">


    <TextView
        android:id="@+id/item_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:text="relative header"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:textSize="16sp"
        android:textStyle="bold" />

    <View
        android:layout_width="match_parent"
        android:layout_height="2dp"
        android:background="@color/black_settings_accent_color" />

</LinearLayout>